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Going to hang back on installing this one for a few days and see if any issues occur with it. Pretty sure the performance hits that are being reported in the media are most likely exaggerated, but as it's such a big update I'd like to see if it causes any issues first.

Going to hang back on installing this one for a few days and see if any issues occur with it. Pretty sure the performance hits that are being reported in the media are most likely exaggerated, but as it's such a big update I'd like to see if it causes any issues first.

Given MS' track record with updates (since early 2015) there's a high likelihood of something breaking.

I decided to check Windows Updates a few minutes ago, see if that Security Update Posted by Brink earlier today (KB4056897) had come through, as it had not done so this morning my time here in Australia.

This check revealed that the Update has now come through as the Jan 2018 Monthly Roll Out & Security Update of about 225MB. There was also a Microsoft Security Essentials Update of 37MB as well, so I have installed the lot. One restart required & no problems so far.

I've just registered to ensure I thank Brink for his updates on the windows updates for windows 7; I've just spent the last two days updating windows and office on my PC based on his extremely helpful forum posts!

I haven't patched since last January because of the bundling and other update concerns.

I'm just about to reboot following the last tranche so I'm hoping for a smooth power cycle ;-)

The support page above has the QualityCompat known issue and I'm good there as I have the key and it reflects the values listed, so I'm thinking the 231MB update has KB4056897 included and the combined update is listed as KB4056894.
I dislike making assumptions, and I wish microsoft would be more open, but if wishes were horses, beggars would ride.

The support page above has the QualityCompat known issue and I'm good there as I have the key and it reflects the values listed, so I'm thinking the 231MB update has KB4056897 included and the combined update is listed as KB4056894.

The stand-alone kb4056897 is only 66MB for 64bit so there's 165MB of other various updates included.
From the link I provided for the "4" version:

Your download may vary in size, depends on what you have installed and what you need.

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The biggest problem I'm seeing is that QualityCompat registry entry, if you know how to get around the registry with regedit look for:

I would advise to not create the key nor change any values, your AV(s) have to do it. So make sure both your McAfee and M-bam are fully up to date.

You may have problems with McAfee, This list shows M-bam sets the key but McAfee does not. I have heard if you completely shut down the offending AV you can install the KB then re-start the AV, but that's a decision you alone will have to make. Do you have back-ups and have the booting process set to it's medium?

Microsoft Security Bulletin(s) for January 10, 2017Microsoft Security Bulletin(s) for January 10, 2017
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Today Microsoft released the following Security Bulletin(s).
Note: »Access Denied ··· security and »Access Denied are authoritative in all...